Nickel Surface Roughness Comparator Set Pro Machinist Grade 2 To 500 Ra Microinch Finish With 30 Electroformed Specimens For Flat Lapping Reaming Grinding Horizontal And Vertical Milling And Turning A Realistic Feel And Quality Check Tool

Nickel surface roughness comparator set for machining QA
✔️ 30 electroformed nickel specimens, 7/8 in by 3/8 in(22.23 x 9.53 mm)

This nickel-based comparator set gives a realistic feel and visual reference for machinists and designers evaluating surface textures during finishing, quality checks, and prototype reviews in shops and labs.

✅ 30 specimens, each 7/8 in (22.23 mm) long by 3/8 in (9.53 mm) wide
✅ Reproduces finishes for flat lapping, reaming, grinding, milling, and turning
✅ ANSI-B46.1 and MIL-STD-10A compliant quality-check reference
✅ Includes a setup/instruction sheet for quick reference in the shop
✅ Electroformed solid nickel for durable, repeatable texture checks

💡 What is a nickel surface roughness comparator set used for in machining QA and texture evaluation? It is a handy reference for evaluating finish texture on real parts.

- Helps verify tactile feel of finishes on sealed ball bearings and linear slide units - Useful for training, design reviews, and supplier quality checks on nickel surfaces - Supports consistent finish planning in lab or shop environments ✝️